Youth Quiz
Questions: 16 · 10 minutes
1. Why is it generally summer in one hemisphere when it is winter in the other?
Earth is much closer to the Sun during one hemisphere’s summer
Earth rotates faster during summer months
Earth’s axial tilt changes each hemisphere’s sunlight angle and day length
The Sun directs more total energy toward Earth every six months
2. Five students read 4, 5, 6, 8, and 40 pages in one evening. What is the median number of pages read?
6
8
12.6
36
3. A student council surveys only people who follow its social-media account, then claims the results represent the entire school. What is the clearest problem with this conclusion?
The self-selected group may differ from the whole student population
Online surveys always produce false results
The survey cannot contain any numerical questions
A school survey must include every student to provide useful information
4. All orchestra members practice daily. Some students are orchestra members. Which conclusion must follow?
All students practice daily
No students outside the orchestra practice daily
Some people who practice daily are not students
Some students practice daily
5. How do greenhouse gases such as carbon dioxide contribute to warming Earth’s lower atmosphere?
They generate heat mainly by reacting with atmospheric oxygen
They create the ultraviolet radiation arriving from the Sun
They prevent all solar energy from reaching Earth’s surface
They absorb and re-emit some outgoing infrared radiation
6. In a play, the audience knows that a character’s trusted friend is secretly an enemy, but the character does not. Which literary device is this?
Foreshadowing
An unreliable narrator
An extended metaphor
Dramatic irony
7. You deposit $200 in an account paying 5% interest annually, compounded once per year. If you make no withdrawals, how much will be in the account after two years?
$210.00
$215.00
$220.50
$220.00
8. Under the United Nations Convention on the Rights of the Child, a child is generally defined as a person below what age?
16
18
21
19
9. A student tests whether fertilizer affects seedling growth. The seedlings receive the same soil, water, light, and temperature, but different amounts of fertilizer. What is the independent variable?
The amount of fertilizer
The seedlings’ final height
The amount of water
The type of soil
10. A working phone no longer meets its owner’s needs. According to the waste hierarchy, which choice generally keeps the product at its highest useful value?
Store it indefinitely without using it
Pass it to someone who can continue using it
Discard it with ordinary household waste
Dismantle it immediately even if it still works
11. Which city would be expected to have the least variation in daylight length across the year because it is closest to the equator?
Tokyo
Stockholm
Quito
Cape Town
12. For statistical purposes, the United Nations commonly defines “youth” as people in which age range?
15 to 24 years
10 to 19 years
Everyone under 18 years
18 to 29 years
13. A court rules that a law cannot be enforced because it conflicts with the constitution. Which governmental principle is being applied?
Federalism
Judicial review
Proportional representation
Executive privilege
14. What is the main way a vaccine prepares the immune system for a future encounter with a specific pathogen?
It prevents the body from producing inflammatory responses
It promotes immune memory without requiring the full disease
It replaces white blood cells with stronger versions
It creates a permanent physical barrier around healthy cells
15. A widely shared post claims that a dramatic photograph was taken at an event yesterday. Which action most directly checks the photograph’s origin and context?
Read the most popular comments beneath the post
Check how many times the post has been shared
Use a reverse-image search and look for the earliest credible source
See whether the account has a large number of followers
16. After receiving an alert that someone tried to access an online account, which response provides the strongest account protection?
Change the password to a familiar word with a number added
Use the same new password on every account for consistency
Keep the current password but remove personal details from the profile
Create a unique strong password and enable multi-factor authentication